<?php
class Manimage {   
  var $image; 
  var $image_type;   
  function load($filename) {   
    $image_info = getimagesize($filename); 
    $this->image_type = $image_info[2]; 
    if( $this->image_type == IMAGETYPE_JPEG ) {   
      $this->image = imagecreatefromjpeg($filename); 
    } 
    elseif( $this->image_type == IMAGETYPE_GIF ) {   
      $this->image = imagecreatefromgif($filename); 
    } 
    elseif( $this->image_type == IMAGETYPE_PNG ) {   
      $this->image = imagecreatefrompng($filename); 
    }   
  } 
  function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {   
    if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this->image,$filename,$compression); } elseif( $image_type == IMAGETYPE_GIF ) {   imagegif($this->image,$filename); } elseif( $image_type == IMAGETYPE_PNG ) {   imagepng($this->image,$filename); } if( $permissions != null) {   chmod($filename,$permissions); } 
    
  } 
  function output($image_type=IMAGETYPE_JPEG) {   
    if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this->image); } elseif( $image_type == IMAGETYPE_GIF ) {   imagegif($this->image); } elseif( $image_type == IMAGETYPE_PNG ) {   imagepng($this->image); } 
  } 
  function getWidth() {   
    return imagesx($this->image); 
  } 
  function getHeight() {   
    return imagesy($this->image); 
  } 
  function resizeToHeight($height) {   
    $ratio = $height / $this->getHeight(); $width = $this->getWidth() * $ratio; $this->resize($width,$height); 
  }   
  function resizeToWidth($width) {
    $ratio = $width / $this->getWidth(); $height = $this->getheight() * $ratio; $this->resize($width,$height); 
    
  }   
  function scale($scale) { 
    $width = $this->getWidth() * $scale/100; $height = $this->getheight() * $scale/100; $this->resize($width,$height); 
    
  }   
  function resize($width,$height) { 
    $new_image = imagecreatetruecolor($width, $height); imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight()); $this->image = $new_image; 
    
  }   
  
}
?>
